Since every site with adsense needs to have a privacy policy what do you do about this? Do you write up unique one for each site, or just use the same text for all of them?

Not sure if it's worth writing up a new privacy page for each small site I'm building and on the other hand having the same one may create some duplicate content issues.

Linking to a privacy policy on a separate site is also something I'd rather avoid since I wouldn't like to make all site that easy to connect.